Home / 13,994.28-21,017.34-11,091.24

Finding the Fourth Proportional to 13,994.28, 21,017.34 and 11,091.24

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Solution

The fourth proportional to 13,994.28, 21,017.34 and 11,091.24 is: 16,657.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,994.28 : 21,017.34 = 11,091.24 : x
  2. Step 2: Convert to fraction form
    13,994.28/21,017.34 = 11,091.24/x
  3. Step 3: Cross multiply
    13,994.28x = 21,017.34 × 11,091.24
  4. Step 4: Simplify right side
    13,994.28x = 233,108,362.10
  5. Step 5: Solve for x
    x = 233,108,362.10/13,994.28
  6. Step 6: Final answer
    x = 16,657.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.